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BIOS password problems I forgot my password. • If you forget your user password, you must ask the system administrator to reset your user password. • If you forget your HDD password, a Lenovo authorized servicer cannot reset your password or recover data from the hard disk. You must take your computer to a Lenovo authorized servicer or a marketing representative to have the hard disk drive replaced. Proof of purchase is required, and a fee will be charged for parts and service. • If you forget your administrator password, a Lenovo authorized servicer cannot reset your password. You must take your computer to a Lenovo authorized servicer or a marketing representative to have the system board replaced. Proof of purchase is required, and a fee will be charged for parts and service.
But in my own way of troubleshooting.
1. open your Lenovo G500
2. Check your motherboard and look for bios/cmos battery.
3. Remove the battery
4. Get flat screw driver then put it between two pins where the cmos battery attached.
5. Hold it for 10 to 15 sec.
6. Put the cmos battery back and the motherboard
7. Power it up and holla the bios setting has been reset to default.
There is a variable (system setting) integrated into the Windows Update tab in the control panel that enables and disables notifications of automatic restart to complete the installation of system updates.
Like most modern laptops, IBM/Lenovo laptops feature a built-in touchpad that you can use as a substitute for an external mouse device. If you experience a non-functional or "locked" touchpad, then you have one of two possible problems; either the touchpad's drivers are corrupt or a user has manually locked the touchpad. In either case, you can unlock your touchpad and restore it to functionality quickly.
Open your web browser and paste the following URL in the address bar:
Click the "Download" button and then click "I agree" to save the Lenovo touchpad driver installation file to your computer. Double-click the EXE file that you downloaded. Doing so opens the driver's installation wizard. Follow the on-screen prompts to re-install your Lenovo's touchpad drivers. If your locked touchpad is due to a corrupt or outdated device driver, then your touchpad is now unlocked and functional. Activate Touchpad Hold the Windows logo key and press the R key to open a run command box. Type "control mouse" in the box and press Enter. The Mouse Properties control panel window opens. Click the "Device Settings" tab. Click the Lenovo Touchpad in the "Devices" list and click the "Enable" button to activate the Touchpad. Click the "OK" button to save your changes. Your Lenovo's touchpad is unlocked and ready for use. Lenovo support http://consumersupport.lenovo.com/vn/en/DriversDownLoads/drivers_show_120.html
You really can't do much with settings for a touchpad. I would recommend disabling it and using a wireless mouse.
If there isn't a button directly over your touchpad for turning the pad off\on, then there should be a function key for doing this. Typically, you will have to press the Function key, usually located near the space bar, and press one of the "F" keys at the same time. Look for one of the F1 - F12 keys to have a symbol for the touchpad or mouse. That's usually the one that will turn off the touchpad.